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72 lines
1.7 KiB
72 lines
1.7 KiB
package crypto
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import (
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"fmt"
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. "github.com/tendermint/go-common"
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"github.com/tendermint/go-wire"
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)
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// Signature is a part of Txs and consensus Votes.
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type Signature interface {
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Bytes() []byte
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IsZero() bool
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String() string
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}
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// Types of Signature implementations
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const (
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SignatureTypeEd25519 = byte(0x01)
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SignatureTypeSecp256k1 = byte(0x02)
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)
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// for wire.readReflect
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var _ = wire.RegisterInterface(
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struct{ Signature }{},
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wire.ConcreteType{SignatureEd25519{}, SignatureTypeEd25519},
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wire.ConcreteType{SignatureSecp256k1{}, SignatureTypeSecp256k1},
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)
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//-------------------------------------
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// Implements Signature
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type SignatureEd25519 [64]byte
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func (sig SignatureEd25519) Bytes() []byte {
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return wire.BinaryBytes(struct{ Signature }{sig})
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}
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func (sig SignatureEd25519) IsZero() bool { return len(sig) == 0 }
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func (sig SignatureEd25519) String() string { return fmt.Sprintf("/%X.../", Fingerprint(sig[:])) }
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func ReadSignatureEd25519(bz []byte) (SignatureEd25519, error) {
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sig := struct{ Signature }{}
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err := wire.ReadBinaryBytes(bz, &sig)
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if err != nil {
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return SignatureEd25519{}, err
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}
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return sig.Signature.(SignatureEd25519), nil
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}
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//-------------------------------------
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// Implements Signature
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type SignatureSecp256k1 []byte
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func (sig SignatureSecp256k1) Bytes() []byte {
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return wire.BinaryBytes(struct{ Signature }{sig})
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}
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func (sig SignatureSecp256k1) IsZero() bool { return len(sig) == 0 }
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func (sig SignatureSecp256k1) String() string { return fmt.Sprintf("/%X.../", Fingerprint(sig[:])) }
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func ReadSignatureSecp256k1(bz []byte) (SignatureSecp256k1, error) {
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sig := struct{ Signature }{}
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err := wire.ReadBinaryBytes(bz, &sig)
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if err != nil {
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return nil, err
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}
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return sig.Signature.(SignatureSecp256k1), nil
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}
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